Jet Propulsion Laboratory
California Institute of Technology
This animation shows the annual water storage changes over the U.S. from GRACE from 2003 - 2013.
Annual Water Storage Changes over the U.S. from GRACE
An artist's rendering of the twin GRACE-FO spacecraft.
The Laser Ranging Interferometer instrument.
Laser Ranging Interferometer
The GRACE Intermediate Field 48 (GIF48 from UT-CSR) field model is an improved mean gravity field that combines GRACE observations and terrestrial gravity information.
Static Gravity Field Anomalies
3-2-1 liftoff of Falcon 9 with GRACE-FO! The Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, a collaboration between NASA and German Research Centre for Geosciences (GFZ) launched f...
GRACE-FO Launches Aboard a SpaceX Falcon 9
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 2).
GRACE-FO Satellites During Testing (View 2)
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches onboard a SpaceX Falcon 9, May 22, 2018, from Vandenberg Air Force Base in California.
GRACE-FO Launches, Ocean View
Between 2002 and 2016, Antarctica shed approximately 125 gigatons of ice per year, causing global sea level to rise by 0.35 millimeters per year.
Antarctic Ice Loss 2002-2016
Flames from the SpaceX Falcon 9 rocket launching GRACE-FO into orbit.
The twin satellites of NASA's Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, will track the movement of water around Earth. This short video explains how and why it's important.
Why Is GRACE-FO So Important?
Variations in water storage in the Tigris and Euphrates river basins from 2003 to 2009, measured by GRACE. Reds represent drier conditions, while blues represent wetter conditions. The majority of ...
Tigris and Euphrates Water Storage, 2003 to 2009
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
GRACE-FO in a protective shipping container arriving at a new facility at Vandenberg Air Force Base, California.
GRACE-FO Arrives at Vandenberg
GRACE Flight Trajectory
GRACE Flight Trajectory
A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru.
How GRACE-FO Measures Gravity
GRACE-FO will measure Atlantic Ocean bottom pressure as an indicator of deep ocean current speed, as GRACE did.
Ocean Bottom Pressure
The rainy and dry seasons in the Amazon Basin in 2004, revealed by gravity anomalies observed by GRACE. Reds and pinks show where and when mass was higher than average, a sign that more water was p...
Rainy and Dry Seasons in the Amazon (2004)
Gravity anomaly map using GRACE data.
Gravity Anomaly Map Using GRACE Data
A GRACE-FO satellite and its turntable fixture at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California.
GRACE-FO Satellite on a Turntable Before Launch
The signal of the December 2004 earthquake in the Indian Ocean in GRACE observations of Earth's gravity field.
GRACE Sees Earthquake in Indian Ocean
Illustration of GRACE-FO in orbit (view 5).
GRACE-FO in Orbit (View 5)
Illustration of GRACE-FO in orbit (view 2).
GRACE-FO in Orbit (View 2)
Changes in Australia's mass observed by GRACE in 2010 and 2011. Areas in greens and blues had the greatest increases in mass, caused by unusually high precipitation connected with a large La Niña e...
Changes in Australia's Mass Observed by GRACE in 2010 and 2011
While the two spacecraft of the GRACE-FO mission go through testing at the IABG facitilty in Germany, engineers deploy the S-Band antenna boom to ensure that it works.
Airbus Tests GRACE-FO Antenna Boom
Work begins to build NASA’s twin satellites, under construction by Airbus Defense and Space.
Build Commences on GRACE-FO Satellites
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